qpsk_ber

首先通过自相关 偏自相关分析获得特征向量的维数，随后继续运行后面的代码以获得预测值,该方法为最近邻抽样回归预测(The dimension of feature vectors will be obtained by the autocorrelation and partial autocorrelation analysis, then continue to run the code behind to get predicted value，its short name is NNBR)

实现信号的KDDA映射变换，KDDA属于线性子空间分析方法LDA的改进算法，采用核方法实现映射(Realize signal KDDA mapping transformation, KDDA belonging to a linear sub-space analysis method to improve the LDA algorithm, use of the mapping method)

Discriminatively Trained Deformable Part Models 模型的第三版源码，基于C和matlab，可用于目标检测(Discriminatively Trained Deformable Part Models source code)

这是个matlab M文件，利用其可拟合不同波长下的折射率(This is a matlab M documents, which can be fitted using a refractive index different wavelengths)

假设截获了一段短波数字通信的信号，要求解调出最终的信息，每组解调出来后，将10组信息组合起来，恢复最终的信源输出数据。 先验信息：两组数据文件，编号为1、2，每组I、Q两路存放，格式为“int16”，采样率为9600Sa/s，其中第一组为单径情况，第二组为多径情况。 参数符合MIL-STD-188-110A标准； 同步序列为syn=seq.dat，BPSK调制； 接收机频率稳定度高于1e-6。 文件中有效信息总长度为333.75s，其中同步头长为5/12s，每时隙1/6s，训练序列占10 ，在数据之前； 交织方式为全交织，矩阵交织，列为1000，在比特级进行； 纠错码码率为1/2； 调制方式为BPSK、QPSK和8PSK中的一种，映射方式为二进制，BPSK相位偏移为0，其余两种为 。 (Suppose intercepted signal for a period of short-wave digital communications requires final demodulated information after each demodulated, combining 10 group information, to restore the final output data source. Priori information: two sets of data file, numbered 1, 2, each I, Q two-way storage, the format is int16 , sampling rate 9600Sa/s, where the first group is a single path, the second group multipath situation. Parameters meet MIL-STD-188-110A standard Synchronization sequence syn = seq.dat, BPSK modulation The frequency stability of the receiver is higher than 1e-6. File payload total length of 333.75s, wherein the synchronization header length is 5/12s, each time slot 1/6s, accounting for 10 of the training sequence, before the data Interleaving for the whole interleaving matrix interleaving, as 1000, carried out at the bit level Error correction code rate of 1/2 The modulation scheme is BPSK, QPSK and 8PSK one, a binary mapping, the BPSK phase offset is 0, the )

说明：  使用matlab对图像进行特征提取的例子。对图像中的车牌号进行读取。(Use the image feature extraction matlab example. License plate number on the image to read.)

Matlab 编译文件的性能优化，对于初学者很有帮助(Matlab Compiler Performance Optimization document, useful for beginners)

Matlab Tool Box, Find Matlab Models From For Power System Analysis Haadi saadat book

有关 自相关积分的研究和讲解很实用有关 自相关积分的研究和讲解很实用(Related to the integration of research and autocorrelation explain very practical study on the autocorrelation integrals and explain very practical)

用MATLAB语言将3-PSS并联机器人的工作空间表示出来 利用数值搜索法(MATLAB 3-PSS ROBOT workspace)